/*
 * Copyright (C) 2001-2012 Free Software Foundation, Inc.
 *
 * Author: Nikos Mavrogiannopoulos
 *
 * This file is part of GnuTLS.
 *
 * The GnuTLS is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

#ifndef AUTH_SRP_H
#define AUTH_SRP_H

#include <gnutls_auth.h>

typedef struct gnutls_srp_client_credentials_st
{
  char *username;
  char *password;
  gnutls_srp_client_credentials_function *get_function;
} srp_client_credentials_st;

typedef struct gnutls_srp_server_credentials_st
{
  char *password_file;
  char *password_conf_file;
  /* callback function, instead of reading the
   * password files.
   */
  gnutls_srp_server_credentials_function *pwd_callback;
} srp_server_cred_st;

/* these structures should not use allocated data */
typedef struct srp_server_auth_info_st
{
  char username[MAX_USERNAME_SIZE + 1];
} *srp_server_auth_info_t;

#ifdef ENABLE_SRP

int _gnutls_proc_srp_server_hello (gnutls_session_t state,
                                   const uint8_t * data, size_t data_size);
int _gnutls_gen_srp_server_hello (gnutls_session_t state, uint8_t * data,
                                  size_t data_size);

int _gnutls_gen_srp_server_kx (gnutls_session_t, gnutls_buffer_st*);
int _gnutls_gen_srp_client_kx (gnutls_session_t, gnutls_buffer_st*);

int _gnutls_proc_srp_server_kx (gnutls_session_t, uint8_t *, size_t);
int _gnutls_proc_srp_client_kx (gnutls_session_t, uint8_t *, size_t);

typedef struct srp_server_auth_info_st srp_server_auth_info_st;

#endif /* ENABLE_SRP */

#endif
